{"product_id":"mcs-breaker-weight-spring-set-standard-mcs-516300","title":"MCS Breaker Weight Spring Set. Standard","description":"70-99 Big Twin (Excl. TC); 71-03 XL Sportster (NU). With mechanical advanced ignition\u003cbr\u003e\u003cbr\u003eWith standard springs for stock advance curve, best for most OEM applications. OEM replacement reference 32605-70 (standard strength springs). Note: Using stronger than stock springs will give a slower advance curve and can be used to solve detonation (pinging) issues in high compression engines or poor fuel. Note: 516300 is standard replacement, 516301 is heavy duty, 516598 is extreme duty. Mixing different spring strengths will give additional fine-tuning options. Note: Stronger than stock springs may require carburetor adjustment.","brand":"Mcs Storehouse","offers":[{"title":"Default Title","offer_id":43568096084031,"sku":"mcs_516300","price":2.33,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/3213\/0367\/files\/mcs_516300_b.jpg?v=1784736990","url":"https:\/\/vaultmoto.com\/products\/mcs-breaker-weight-spring-set-standard-mcs-516300","provider":"VaultMoto","version":"1.0","type":"link"}